Katlen is a distinctive girls' name in United States, ranking #16618 in 2001 with 5 recorded births. The name reached its all-time peak in 1996 with 10 births ranking #8478. Since 1996, the popularity has decreased by 50.0%. In 2001, approximately 1 in every 360,112 girls born was named Katlen. STABLE Recent data shows the name is currently stable.